On the Kegel–Wielandt $$\sigma$$ -Problem

Pub Date : 2023-12-01 DOI:10.1134/s0081543823060093
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Abstract

For an arbitrary partition  \(\sigma\) of the set \(\mathbb{P}\) of all primes, a sufficient condition for the \(\sigma\) -subnormality of a subgroup of a finite group is given. It is proved that the Kegel–Wielandt \(\sigma\) -problem has a positive solution in the class of all finite groups all of whose nonabelian composition factors are alternating groups, sporadic groups, or Lie groups of rank 1.

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关于凯格尔-维兰德的$\sigma$$问题
摘要 对于所有素数集 \(\mathbb{P}\)的任意分割 \(\sigma\),给出了有限群的子群的 \(\sigma\)-次正态性的充分条件。证明了 Kegel-Wielandt \(\sigma\) - 问题在所有有限群的类中有一个正解,这些有限群的所有非标注组成因子都是交替群、零星群或秩为 1 的李群。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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